Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQATAyKm6UP0ljpN7dQ4okzURfboLlbWeUn8hEb8oDw7pF8jd/MvN2+oEnk2… (1,748 chars)"
  }
}